numbers seen as strings and not as numbers

[ettoRman]

I uploaded an Italian txt file of this type with 10 bicycles using Openai gtp 4o.

Nome: Gravel Explorer
Categoria: Gravel
Tipo: Muscolare
Modello: Explorer
Marca: GravelKing
Prezzo: 900

Caratteristiche Tecniche:
Telaio in alluminio, freni a disco meccanici, ruote 700C con pneumatici larghi.

---

Nome: Mountain Adventure
Categoria: Mountain
Tipo: Elettrica
Modello: Adventure
Marca: UrbanRide
Prezzo: 1000

Caratteristiche Tecniche:
Telaio rinforzato, motore elettrico centrale, forcella ammortizzata, freni a disco idraulici.

---

Nome: Road Racer
Categoria: Road
Tipo: Muscolare
Modello: Racer
Marca: SpeedX
Prezzo: 4000

Caratteristiche Tecniche:
Telaio in carbonio leggero, freni shimano, ruote aero 700C.

min price in 100 max il 4000 (price = Prezzo)

but if i ask: which bike is the most expensive?
The answer is 900.
as if prices were interpreted as strings rather than numbers
Is there a way to tell him that prices are just numbers?

Ettore

[thundax-lyp]

LLMGraphTransformer is not friendly to structured data, had better rewrite prompts